+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) Computing Centre, University of British Columbia, 1985
- * Copyright (C) Computer Science Department IV,
- * University of Erlangen-Nuremberg, Germany, 1990, 1991, 1992
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by the
- * Laboratory for Computation Vision and the Computer Science Department
- * of the the University of British Columbia and the Computer Science
- * Department (IV) of the University of Erlangen-Nuremberg, Germany.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)pk_var.h 8.1 (Berkeley) 6/10/93
- */
-
-/*
- *
- * X.25 Logical Channel Descriptor
- *
- */
-
-struct pklcd {
- struct pklcd_q {
- struct pklcd_q *q_forw; /* debugging chain */
- struct pklcd_q *q_back; /* debugging chain */
- } lcd_q;
- int (*lcd_upper)(); /* switch to socket vs datagram vs ...*/
- caddr_t lcd_upnext; /* reference for lcd_upper() */
- int (*lcd_send)(); /* if X.25 front end, direct connect */
- caddr_t lcd_downnext; /* reference for lcd_send() */
- short lcd_lcn; /* Logical channel number */
- short lcd_state; /* Logical Channel state */
- short lcd_timer; /* Various timer values */
- short lcd_dg_timer; /* to reclaim idle datagram circuits */
- bool lcd_intrconf_pending; /* Interrupt confirmation pending */
- octet lcd_intrdata; /* Octet of incoming intr data */
- char lcd_retry; /* Timer retry count */
- char lcd_rsn; /* Seq no of last received packet */
- char lcd_ssn; /* Seq no of next packet to send */
- char lcd_output_window; /* Output flow control window */
- char lcd_input_window; /* Input flow control window */
- char lcd_last_transmitted_pr;/* Last Pr value transmitted */
- bool lcd_rnr_condition; /* Remote in busy condition */
- bool lcd_window_condition; /* Output window size exceeded */
- bool lcd_reset_condition; /* True, if waiting reset confirm */
- bool lcd_rxrnr_condition; /* True, if we have sent rnr */
- char lcd_packetsize; /* Maximum packet size */
- char lcd_windowsize; /* Window size - both directions */
- octet lcd_closed_user_group; /* Closed user group specification */
- char lcd_flags; /* copy of sockaddr_x25 op_flags */
- struct mbuf *lcd_facilities; /* user supplied facilities for cr */
- struct mbuf *lcd_template; /* Address of response packet */
- struct socket *lcd_so; /* Socket addr for connection */
- struct sockaddr_x25 *lcd_craddr;/* Calling address pointer */
- struct sockaddr_x25 *lcd_ceaddr;/* Called address pointer */
- time_t lcd_stime; /* time circuit established */
- long lcd_txcnt; /* Data packet transmit count */
- long lcd_rxcnt; /* Data packet receive count */
- short lcd_intrcnt; /* Interrupt packet transmit count */
- struct pklcd *lcd_listen; /* Next lcd on listen queue */
- struct pkcb *lcd_pkp; /* Network this lcd is attached to */
- struct mbuf *lcd_cps; /* Complete Packet Sequence reassembly*/
- long lcd_cpsmax; /* Max length for CPS */
- struct sockaddr_x25 lcd_faddr; /* Remote Address (Calling) */
- struct sockaddr_x25 lcd_laddr; /* Local Address (Called) */
- struct sockbuf lcd_sb; /* alternate for datagram service */
-};
-
-/*
- * Per network information, allocated dynamically
- * when a new network is configured.
- */
-
-struct pkcb {
- struct pkcb_q {
- struct pkcb_q *q_forw;
- struct pkcb_q *q_backw;
- } pk_q;
- short pk_state; /* packet level status */
- short pk_maxlcn; /* local copy of xc_maxlcn */
- int (*pk_lloutput) (); /* link level output procedure */
- caddr_t (*pk_llctlinput) (); /* link level ctloutput procedure */
- caddr_t pk_llnext; /* handle for next level down */
- struct x25config *pk_xcp; /* network specific configuration */
- struct x25_ifaddr *pk_ia; /* backpointer to ifaddr */
- struct pklcd **pk_chan; /* actual size == xc_maxlcn+1 */
- short pk_dxerole; /* DXE role of PLE over LLC2 */
- short pk_restartcolls; /* counting RESTART collisions til resolved */
- struct rtentry *pk_rt; /* back pointer to route */
- struct rtentry *pk_llrt; /* pointer to reverse mapping */
- u_short pk_refcount; /* ref count */
-};
-
-#define FOR_ALL_PKCBS(p) for((p) = (struct pkcb *)(pkcb_q.q_forw); \
- (pkcb_q.q_forw != &pkcb_q) && ((struct pkcb_q *)(p) != &pkcb_q); \
- (p) = (struct pkcb *)((p) -> pk_q.q_forw))
-
-#define PQEMPTY (pkcb_q.q_forw == &pkcb_q)
-
-/*
- * Interface address, x25 version. Exactly one of these structures is
- * allocated for each interface with an x25 address.
- *
- * The ifaddr structure conatins the protocol-independent part
- * of the structure, and is assumed to be first.
- */
-struct x25_ifaddr {
- struct ifaddr ia_ifa; /* protocol-independent info */
-#define ia_ifp ia_ifa.ifa_ifp
-#define ia_flags ia_ifa.ifa_flags
- struct x25config ia_xc; /* network specific configuration */
- struct pkcb *ia_pkcb;
-#define ia_maxlcn ia_xc.xc_maxlcn
- int (*ia_start) (); /* connect, confirm method */
- struct sockaddr_x25 ia_dstaddr; /* reserve space for route dst */
-};
-
-/*
- * ``Link-Level'' extension to Routing Entry for upper level
- * packet switching via X.25 virtual circuits.
- */
-struct llinfo_x25 {
- struct llinfo_x25 *lx_next; /* chain together in linked list */
- struct llinfo_x25 *lx_prev; /* chain together in linked list */
- struct rtentry *lx_rt; /* back pointer to route */
- struct pklcd *lx_lcd; /* local connection block */
- struct x25_ifaddr *lx_ia; /* may not be same as rt_ifa */
- int lx_state; /* can't trust lcd->lcd_state */
- int lx_flags;
- int lx_timer; /* for idle timeout */
- int lx_family; /* for dispatch */
-};
-
-/* States for lx_state */
-#define LXS_NEWBORN 0
-#define LXS_RESOLVING 1
-#define LXS_FREE 2
-#define LXS_CONNECTING 3
-#define LXS_CONNECTED 4
-#define LXS_DISCONNECTING 5
-#define LXS_LISTENING 6
-
-/* flags */
-#define LXF_VALID 0x1 /* Circuit is live, etc. */
-#define LXF_RTHELD 0x2 /* this lcb references rtentry */
-#define LXF_LISTEN 0x4 /* accepting incoming calls */
-
-/*
- * Definitions for accessing bitfields/bitslices inside X.25 structs
- */
-
-
-struct x25bitslice {
- unsigned int bs_mask;
- unsigned int bs_shift;
-};
-
-#define calling_addrlen 0
-#define called_addrlen 1
-#define q_bit 2
-#define d_bit 3
-#define fmt_identifier 4
-#define lc_group_number 1
-#define p_r 5
-#define m_bit 6
-#define p_s 7
-#define zilch 8
-
-#define X25GBITS(Arg, Index) (((Arg) & x25_bitslice[(Index)].bs_mask) >> x25_bitslice[(Index)].bs_shift)
-#define X25SBITS(Arg, Index, Val) (Arg) |= (((Val) << x25_bitslice[(Index)].bs_shift) & x25_bitslice[(Index)].bs_mask)
-#define X25CSBITS(Arg, Index, Val) (Arg) = (((Val) << x25_bitslice[(Index)].bs_shift) & x25_bitslice[(Index)].bs_mask)
-
-extern struct x25bitslice x25_bitslice[];
-
-
-#define ISOFIFTTYPE(i,t) ((i)->if_type == (t))
-#define ISISO8802(i) ((ISOFIFTTYPE(i, IFT_ETHER) || \
- ISOFIFTTYPE(i, IFT_ISO88023) || \
- ISOFIFTTYPE(i, IFT_ISO88024) || \
- ISOFIFTTYPE(i, IFT_ISO88025) || \
- ISOFIFTTYPE(i, IFT_ISO88026) || \
- ISOFIFTTYPE(i, IFT_P10) || \
- ISOFIFTTYPE(i, IFT_P80) || \
- ISOFIFTTYPE(i, IFT_FDDI)))
-
-/*
- * miscellenous debugging info
- */
-struct mbuf_cache {
- int mbc_size;
- int mbc_num;
- int mbc_oldsize;
- struct mbuf **mbc_cache;
-};
-
-#if defined(KERNEL) && defined(CCITT)
-extern struct pkcb_q pkcb_q;
-struct pklcd *pk_listenhead;
-struct pklcd *pk_attach();
-
-extern char *pk_name[], *pk_state[];
-int pk_t20, pk_t21, pk_t22, pk_t23;
-#endif
projects / apple / xnu.git / blobdiff